Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Reexamination Certificate
2005-05-10
2005-05-10
Vannucci, James (Department: 2828)
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
C343S882000
Reexamination Certificate
active
06891509
ABSTRACT:
An assembly of mechanically steerable directional radio antennas, comprising a primary antenna and at least one secondary antenna, arranged such that the or each secondary antenna is capable of being physically steered over a limited azimuthal arc relative to the primary antenna, and is at least partially within the swept volume of the primary antenna. By allowing the swept volumes of the antennas to overlap, a compact assembly can be provided, while by limiting the azimuthal movement of the secondary antennas relative to the primary, it can be arranged that the antennas do not foul each other.
REFERENCES:
patent: 5086304 (1992-02-01), Collins
patent: 6310582 (2001-10-01), Uetake et al.
Dobbie William H
Rose Ian G
British Telecommunications plc
Nixon & Vanderhye PC
Vannucci James
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